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Profilaktika i lechenie vnutrennikh nezaraznykh boleznei sel'skokhoziaistvennykh zhivotnykh
1966
Afanas'ev, I. N. | Manevich, Z. A.
Mezkopja rokasgramata
1966
Kronitis, Janis Jana d
The ways of increasing of productivity of fish ponds in Latvia | Пути повышения рыбопродуктивности прудов Латвии Full text
1966
Okhryamkina, N.P.
The basic means to achieve an increase in the fish production in ponds in Latvia are: 1) the selection work; 2) fertilization of the ponds; 3) increasing of productivity of the feeding ponds; 4) application of herbicides in the amelioration of fish ponds; 5) fighting against fish diseases; 6) increasing of productivity of lakes after their treatment with polychloropinene. | Published | Not Known
Show more [+] Less [-]Auglu razas katru gadu | Urozhai plodov, kazhdyi god
1966
Karulis, J.
Auglikopiba
1966
Kārklin̦š, Jānis | Kārklin̦š, Jānis
Lauksaimnieciskas melioracijas projektesana
1966
Erins, A. P.
Padomju Latvijas ekonomika un kultura; Statistisko datu krajums
1966
Cukurbietes | Sakharnaia svekla
1966
Freimanis, P.
Slaucamo govju izmantosanas paildzinasana
1966
Baltakmens, R.
